Katrin Kaldre

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This study gives an overview of status and distribution of signal crayfish (Pacifastacus leniusculus), the first NICS in Estonia and its influence on native noble crayfish (Astacus astacus) populations. The first specimen of signal crayfish was caught during the monitoring of noble crayfish in North Estonia in 2008. The signal crayfish has since been found(More)
The effect of two different feeds (30 % protein common carp feed without astaxanthin and astaxanthin-rich discus feed with 20 % shrimps and 46 % protein) on growth, carapace colour, maturation and mortality in marbled crayfish (Procambarus fallax f. virginalis) was examined under laboratory conditions. Feeding trials were carried out during 123 days at room(More)
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